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helminth — [hel′minth΄] n. [Gr helmins (gen. helminthos), akin to eilein, to turn: for IE base see HELIX] any worm or wormlike animal; esp., a worm parasite of the intestine, as the tapeworm, hookworm, or roundworm … English World dictionary

Helminth — A worm classified as a parasite. (A parasite is a disease causing organism that lives on or in a human or another animal and derives its nourishment from its host.) Lice are examples of parasites that live on humans; bacteria and viruses are… … Medical dictionary